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Family HYDROBATIDAE Mathews, 1912


Compiler and date details

R. Schodde CSIRO Australian National Wildlife Collection, Canberra, ACT, Australia

Introduction

Although Northern storm petrels were previously included within the family Procellariidae, they are currently identified as a separate family. Recent results obtained through DNA studies separated the family from Oceanitidae and also confirmed the positions of the families within the order Procellariiformes. As accepted hydrobatids are primarily of Northern Hemisphere origin, with a dispersal of non-breeding birds to the Southern Hemisphere. The family comprises 14 species in a single genus; four of these species are represented in Australia.

With some exceptions all are small, mostly dark overall with a white patch on the rump; all have lengthy wings, a rounded head, short legs and a forked or wedge-shaped tail. The feet are totipalmate with a vestigial hallux; all have tubular nostrils. Northern storm petrels are one of the smallest of seabirds. The birds are more often seen offshore in pelagic waters rather than inshore and are usually found individually or as pairs although occasionally they form feeding aggregations. Their flight involves soaring and gliding low over the waves. Vocalisations are few and generally uttered only near the nesting burrow and used for courtship or as a greeting during a changeover for incubation. All species feed on cephalopods and other small marine animals found amongst flotsam.

None of the Australian listed species is known to breed within Australian territorial waters; all breeding records are from the Northern Hemisphere. Breeding occurs within colonies; the nest sites are small nest burrows or placed within rock clefts. Adults are monogamous, bonding for life and returning annually to the same breeding site from where they originated. One or occasionally two eggs form the clutch; the eggs are elliptical or short-oval shaped and of a dull white or cream colour with staining produced from the nesting materials, otherwise the eggs are unmarked. Both adults provide care during incubation and fledgling periods.

Name conserved: ICZN Opinion 1696.

 

Excluded Taxa

Vagrant Species

CAVS:8695
HYDROBATIDAE: Hydrobates leucorhoa leucorhoa (Vieillot, 1818) [Pacific Leach's Storm-Petrel] — Coues, E. 1864. A critical review of the family Procellaridae: Part I; embracing the Procellareae, or Stormy Petrels. Proceedings of the Academy of Natural Sciences, Philadelphia 16(2): 72-91 [75] (as Oceanodroma leucorrhoa, a misspelling of leucorhoa)

CAVS:0911
HYDROBATIDAE: Hydrobates leucorhoa (Vieillot, 1818) [Leach's Storm-Petrel; vagrant to the waters off southern WA and southern Vic] — Simpson, K. & Day, N. 1993. Field Guide the the Birds of Australia. Ringwood, Victoria, Australia : Penguin Books Australia Ltd Edn 4, pp. 392. [40]; Christidis, L. & Boles, W.E. 1994. The Taxonomy and Species of Birds of Australia and its Territories. Monograph 2. Melbourne : Royal Australasian Ornithologists Union iv 112 pp.; Christidis, L. & Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. Melbourne : CSIRO Publishing 288 pp. [17, 83] (choose to recognise species in Hydrobates, rather than Oceanodroma)

CAVS:0811
HYDROBATIDAE: Hydrobates tristrami (Salvin, 1896) [Tristram's Storm-Petrel; only Australian record 9 Oct. 2000 off of Sydney, NSW] — Christidis, L. & Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. Melbourne : CSIRO Publishing 288 pp. [81]; Simpson, K. & Day, N. 2010. Field Guide to the Birds of Australia. Camberwell, Victoria : Penguin Group (Australia) 8, pp. 381. [287]

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
28-Sep-2022 PROCELLARIIFORMES 28-Sep-2022 MODIFIED
10-Nov-2020 AVES 08-Sep-2022 MODIFIED
10-Nov-2015 HYDROBATIDAE Mathews, 1912 28-Sep-2022 MODIFIED
10-Nov-2020 PROCELLARIIFORMES 02-Sep-2014 MODIFIED Dr Wayne Longmore
12-Feb-2010 (import)