THE HALIFAX FIELD NATURALIST No. 150 March to May, 2013 In This Issue ...................................................... 2 HFN Talks ....................................................... 10 HFN News & Announcements ........................ 3 HFN Field Trips ............................................. 14 Special Reports ................................................. 4 Almanac .......................................................... 17 Special Articles ................................................. 9 Hfx Tide Table: April to June ...................... 19 Nature Notes ................................................... 20 Return address: HFN, c/o NS Museum of Natural History, 1747 Summer Street, Halifax, NS, B3H 3A6 1 Spring 2013, #150 is incorporated under the Nova Scotia NNS ADDRESS Societies Act and holds Registered Nature Nova Scotia, c/o N.S. Museum of Natural History, 1747 Charity status with Canada Revenue Summer St., Halifax, N.S., B3H 3A6 HFN Email:
[email protected] (Doug Linzey, NNS Secretary and Agency. Tax-creditable receipts will be issued for individual Newsletter Editor) Website: naturens.ca and corporate gifts. HFN is an affiliate of Nature Canada and an organisational member of Nature Nova Scotia, the provin- EXECUTIVE 2013/2014 cial umbrella association for naturalist groups in Nova Sco- President Janet Dalton .......................................443-7617 Vice-President Clarence Stevens ...............................864-0802 tia. Objectives are to encourage a greater appreciation and Treasurer Ingrid